Doctor profile · Federal record

Dr. Thomas Lang, MD

Ophthalmology Physician (CMS: Ophthalmology) · Providence, RI

  • NPI 1891772620
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 E Manning St
Providence, RI 029065109
(401) 272-2020
fax (401) 421-5979

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
May 3, 2012
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Rhode Island #MD07306
Medicaid (2)
RI #7002180 · RI #9001520

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891772620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,413
Distinct HCPCS
10
Medicare allowed
$329,087
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,283 1,154 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 571 428 $91
92083 Exam of visual field with extended testing 392 379 $64
92133 Imaging of optic nerve 287 284 $38
92134 Imaging of retina 251 237 $41
92012 Established patient problem focused exam of visual system 183 162 $91
92250 Photography of the retina 87 86 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 79 75 $129
68761 Closure of tear duct opening using plug 52 29 $193
92004 New patient complete exam of visual system 43 43 $154

In context: peer comparison

Among 14 peers in Providence Ophthalmology Physician, average services per provider: 342. This provider delivers 10.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$474
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Glaukos Corporation 1 $307.31
Amgen INC. 4 $63.31
Abbvie INC. 3 $57.56
Alcon Vision LLC 2 $45.66

By nature of payment

Food and Beverage
$474

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,693
Patients
935
Total drug cost
$244,021
Drug Type Claims Patients Total cost
Latanoprost Generic 918 295 $31,589
Dorzolamide Hcl Generic 420 125 $18,183
Brimonidine Tartrate Generic 283 80 $12,358
Lumigan (Bimatoprost) Brand 217 51 $112,225
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 177 53 $8,173
Erythromycin (Erythromycin Base) Brand 170 101 $1,780
Timolol Maleate Generic 125 44 $5,672
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 115 88 $1,291
Prednisolone Acetate Generic 58 38 $2,209
Brinzolamide Generic 50 13 $14,395

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Lang's medical specialty?
Dr. Thomas Lang practices Ophthalmology Physician in Providence, RI.
Where does Dr. Thomas Lang practice?
Dr. Thomas Lang practices at 150 E Manning St, Providence, RI 029065109. Office phone: 4012722020.
What is Dr. Thomas Lang's NPI?
Dr. Thomas Lang's National Provider Identifier (NPI) is 1891772620, issued by NPPES.
Does Dr. Thomas Lang accept Medicare assignment?
Yes. Dr. Thomas Lang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Lang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.